Dataset and Reproducibility Code for "Ontology-Guided SHAP Knowledge Graph Framework for Explainable Cognitive Digital Twins in TIG Welding

This repository contains the dataset and reproducibility code supporting the study “Ontology-Guided SHAP Knowledge Graph Framework for Explainable Cognitive Digital Twins in TIG Welding.” It includes the revised FDM dataset, numerical simulation and verification scripts, surrogate-model development, SHAP analysis, thermal-state classification, recommendation logic, and ontology/SPARQL resources used to generate the reported results.